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Finding the Fourth Proportional to 341,356.90, 512,030.06 and 151,767.48

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Solution

The fourth proportional to 341,356.90, 512,030.06 and 151,767.48 is: 227,648.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,356.90 : 512,030.06 = 151,767.48 : x
  2. Step 2: Convert to fraction form
    341,356.90/512,030.06 = 151,767.48/x
  3. Step 3: Cross multiply
    341,356.90x = 512,030.06 × 151,767.48
  4. Step 4: Simplify right side
    341,356.90x = 77,709,511,890.45
  5. Step 5: Solve for x
    x = 77,709,511,890.45/341,356.90
  6. Step 6: Final answer
    x = 227,648.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.